Pipe Wall Thickness CalculatorASME B31.3 Pipe Wall Thickness Calculator Design Pressure (P) in MPa: Outside Diameter (Do) in mm: Allowable Stress (S) in MPa: Weld Joint Efficiency (E): Corrosion Allowance (CA) in mm: Calculate Thickness Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on WhatsApp (Opens in new window) WhatsApp More Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Tumblr (Opens in new window) Tumblr